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145013037 = 31318120543
BaseRepresentation
bin10001010010010…
…11100100101101
3101002212102111020
420221023210231
5244110404122
622220044353
73410406351
oct1051134455
9332772436
10145013037
1174946494
12406936b9
1324074040
141538b461
15cae6c5c
hex8a4b92d

145013037 has 16 divisors (see below), whose sum is σ = 209384448. Its totient is φ = 88741440.

The previous prime is 145013017. The next prime is 145013041. The reversal of 145013037 is 730310541.

It is not a de Polignac number, because 145013037 - 28 = 145012781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145012998 and 145013016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145013017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (13086528).

Almost surely, 2145013037 is an apocalyptic number.

It is an amenable number.

145013037 is a deficient number, since it is larger than the sum of its proper divisors (64371411).

145013037 is a wasteful number, since it uses less digits than its factorization.

145013037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20740.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 145013037 is about 12042.1358985854. The cubic root of 145013037 is about 525.3745318407.

Adding to 145013037 its reverse (730310541), we get a palindrome (875323578).

The spelling of 145013037 in words is "one hundred forty-five million, thirteen thousand, thirty-seven".

Divisors: 1 3 13 39 181 543 2353 7059 20543 61629 267059 801177 3718283 11154849 48337679 145013037