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145383042 = 2376775113
BaseRepresentation
bin10001010101001…
…01111010000010
3101010120020001010
420222211322002
5244204224132
622232021350
73413510160
oct1052457202
9333506033
10145383042
1175079482
1240831856
132417358c
1415446230
15cb6b6cc
hex8aa5e82

145383042 has 32 divisors (see below), whose sum is σ = 332860032. Its totient is φ = 41468544.

The previous prime is 145383011. The next prime is 145383053. The reversal of 145383042 is 240383541.

It is a super-2 number, since 2×1453830422 = 42272457802347528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25878 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (10401876).

Almost surely, 2145383042 is an apocalyptic number.

145383042 is an abundant number, since it is smaller than the sum of its proper divisors (187476990).

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

145383042 is a wasteful number, since it uses less digits than its factorization.

145383042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 145383042 is about 12057.4890420850. The cubic root of 145383042 is about 525.8209884950.

The spelling of 145383042 in words is "one hundred forty-five million, three hundred eighty-three thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 677 1354 2031 4062 4739 5113 9478 10226 14217 15339 28434 30678 35791 71582 107373 214746 3461501 6923002 10384503 20769006 24230507 48461014 72691521 145383042