Search a number
-
+
145507162 = 23711317401
BaseRepresentation
bin10001010110001…
…00001101011010
3101010210112022011
420223010031122
5244222212122
622234420134
73414535063
oct1053041532
9333715264
10145507162
1175153759
124089164a
13241b7c18
141547956a
15cb93377
hex8ac435a

145507162 has 16 divisors (see below), whose sum is σ = 226156392. Its totient is φ = 70156800.

The previous prime is 145507151. The next prime is 145507169. The reversal of 145507162 is 261705541.

It can be written as a sum of positive squares in 4 ways, for example, as 118352641 + 27154521 = 10879^2 + 5211^2 .

It is not an unprimeable number, because it can be changed into a prime (145507169) 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, 339 + ... + 17062.

Almost surely, 2145507162 is an apocalyptic number.

145507162 is a deficient number, since it is larger than the sum of its proper divisors (80649230).

145507162 is a wasteful number, since it uses less digits than its factorization.

145507162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17553.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 145507162 is about 12062.6349526130. The cubic root of 145507162 is about 525.9705848895.

It can be divided in two parts, 14550 and 7162, that added together give a palindrome (21712).

The spelling of 145507162 in words is "one hundred forty-five million, five hundred seven thousand, one hundred sixty-two".

Divisors: 1 2 37 74 113 226 4181 8362 17401 34802 643837 1287674 1966313 3932626 72753581 145507162