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145154504 = 23112149953
BaseRepresentation
bin10001010011011…
…10000111001000
3101010010121112202
420221232013020
5244124421004
622223055332
73411535655
oct1051560710
9333117482
10145154504
1174a32800
1240741548
13240c3551
14153c6c2c
15cb23b1e
hex8a6e1c8

145154504 has 24 divisors (see below), whose sum is σ = 299158230. Its totient is φ = 65978880.

The previous prime is 145154497. The next prime is 145154519. The reversal of 145154504 is 405451541.

It can be written as a sum of positive squares in only one way, i.e., 141657604 + 3496900 = 11902^2 + 1870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74009 + ... + 75944.

Almost surely, 2145154504 is an apocalyptic number.

It is an amenable number.

145154504 is an abundant number, since it is smaller than the sum of its proper divisors (154003726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145154504 is a wasteful number, since it uses less digits than its factorization.

145154504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149981 (or 149966 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145154504 is about 12048.0083001299. The cubic root of 145154504 is about 525.5453187919.

It can be divided in two parts, 1451 and 54504, that added together give a palindrome (55955).

The spelling of 145154504 in words is "one hundred forty-five million, one hundred fifty-four thousand, five hundred four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 149953 299906 599812 1199624 1649483 3298966 6597932 13195864 18144313 36288626 72577252 145154504