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145499043 = 3229211789
BaseRepresentation
bin10001010110000…
…10001110100011
3101010210010011110
420223002032203
5244221432133
622234314403
73414502314
oct1053021643
9333703143
10145499043
1175148648
1240888a03
13241b4311
141547660b
15cb90c63
hex8ac23a3

145499043 has 8 divisors (see below), whose sum is σ = 194846800. Its totient is φ = 96575328.

The previous prime is 145499023. The next prime is 145499047. The reversal of 145499043 is 340994541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145499043 - 221 = 143401891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145498992 and 145499010.

It is not an unprimeable number, because it can be changed into a prime (145499047) 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, 105208 + ... + 106581.

It is an arithmetic number, because the mean of its divisors is an integer number (24355850).

Almost surely, 2145499043 is an apocalyptic number.

145499043 is a deficient number, since it is larger than the sum of its proper divisors (49347757).

145499043 is a wasteful number, since it uses less digits than its factorization.

145499043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212021.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 145499043 is about 12062.2984128233. The cubic root of 145499043 is about 525.9608020157.

The spelling of 145499043 in words is "one hundred forty-five million, four hundred ninety-nine thousand, forty-three".

Divisors: 1 3 229 687 211789 635367 48499681 145499043