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145111394 = 2469115467
BaseRepresentation
bin10001010011000…
…11100101100010
3101010001102102002
420221203211202
5244122031034
622222124002
73411266201
oct1051434542
9333042362
10145111394
1174a0337a
1240720602
13240a9a3c
14153b5238
15cb15e7e
hex8a63962

145111394 has 8 divisors (see below), whose sum is σ = 217727568. Its totient is φ = 72535540.

The previous prime is 145111391. The next prime is 145111399. The reversal of 145111394 is 493111541.

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

It is not an unprimeable number, because it can be changed into a prime (145111391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649 + ... + 17115.

It is an arithmetic number, because the mean of its divisors is an integer number (27215946).

Almost surely, 2145111394 is an apocalyptic number.

145111394 is a deficient number, since it is larger than the sum of its proper divisors (72616174).

145111394 is a wasteful number, since it uses less digits than its factorization.

145111394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160.

The product of its digits is 2160, while the sum is 29.

The square root of 145111394 is about 12046.2190748799. The cubic root of 145111394 is about 525.4932857251.

The spelling of 145111394 in words is "one hundred forty-five million, one hundred eleven thousand, three hundred ninety-four".

Divisors: 1 2 4691 9382 15467 30934 72555697 145111394