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145339051 = 11131016357
BaseRepresentation
bin10001010100110…
…11001010101011
3101010110222200211
420222123022223
5244201322201
622231041551
73413235004
oct1052331253
9333428624
10145339051
1175049420
12408102b7
1324159550
14154341ab
15cb5d651
hex8a9b2ab

145339051 has 8 divisors (see below), whose sum is σ = 170748144. Its totient is φ = 121962720.

The previous prime is 145339049. The next prime is 145339057. The reversal of 145339051 is 150933541.

It is a happy number.

145339051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145339051 - 21 = 145339049 is a prime.

It is a super-2 number, since 2×1453390512 = 42246879491161202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145339057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508036 + ... + 508321.

It is an arithmetic number, because the mean of its divisors is an integer number (21343518).

Almost surely, 2145339051 is an apocalyptic number.

145339051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145339051 is a deficient number, since it is larger than the sum of its proper divisors (25409093).

145339051 is a wasteful number, since it uses less digits than its factorization.

145339051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016381.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 145339051 is about 12055.6646851179. The cubic root of 145339051 is about 525.7679476354.

It can be divided in two parts, 1453 and 39051, that added together give a palindrome (40504).

The spelling of 145339051 in words is "one hundred forty-five million, three hundred thirty-nine thousand, fifty-one".

Divisors: 1 11 13 143 1016357 11179927 13212641 145339051