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145510634 = 272755317
BaseRepresentation
bin10001010110001…
…01000011101010
3101010210201001202
420223011003222
5244222320014
622234444202
73414551153
oct1053050352
9333721052
10145510634
1175156325
1240893662
13241b9689
141547a92a
15cb943de
hex8ac50ea

145510634 has 4 divisors (see below), whose sum is σ = 218265954. Its totient is φ = 72755316.

The previous prime is 145510619. The next prime is 145510643. The reversal of 145510634 is 436015541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 37246609 = 10405^2 + 6103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145510597 and 145510606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36377657 + ... + 36377660.

Almost surely, 2145510634 is an apocalyptic number.

145510634 is a deficient number, since it is larger than the sum of its proper divisors (72755320).

145510634 is an equidigital number, since it uses as much as digits as its factorization.

145510634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72755319.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145510634 is about 12062.7788672428. The cubic root of 145510634 is about 525.9747683155.

The spelling of 145510634 in words is "one hundred forty-five million, five hundred ten thousand, six hundred thirty-four".

Divisors: 1 2 72755317 145510634