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145802632 = 2318225329
BaseRepresentation
bin10001011000011…
…00010110001000
3101011100112121111
420230030112020
5244311141012
622245020104
73420205363
oct1054142610
9334315544
10145802632
1175335748
12409b4634
132428c561
14155150da
15cc00ba7
hex8b0c588

145802632 has 8 divisors (see below), whose sum is σ = 273379950. Its totient is φ = 72901312.

The previous prime is 145802623. The next prime is 145802647. The reversal of 145802632 is 236208541.

It can be written as a sum of positive squares in only one way, i.e., 131010916 + 14791716 = 11446^2 + 3846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 145802594 and 145802603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9112657 + ... + 9112672.

Almost surely, 2145802632 is an apocalyptic number.

It is an amenable number.

145802632 is a deficient number, since it is larger than the sum of its proper divisors (127577318).

145802632 is a wasteful number, since it uses less digits than its factorization.

145802632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225335 (or 18225331 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 145802632 is about 12074.8760656166. The cubic root of 145802632 is about 526.3263599435.

The spelling of 145802632 in words is "one hundred forty-five million, eight hundred two thousand, six hundred thirty-two".

Divisors: 1 2 4 8 18225329 36450658 72901316 145802632