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145844907292 = 22737011407389
BaseRepresentation
bin1000011111010100001…
…0001010110100011100
3111221110011220221020001
42013311002022310130
54342142244013132
6151000014304044
713352113154230
oct2076502126434
9457404827201
10145844907292
1156941714537
12243231b8024
13109a3797b16
1470b79c85c0
153bd8e20ce7
hex21f508ad1c

145844907292 has 24 divisors (see below), whose sum is σ = 291768835680. Its totient is φ = 62488027200.

The previous prime is 145844907253. The next prime is 145844907323. The reversal of 145844907292 is 292709448541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600067 + ... + 807322.

It is an arithmetic number, because the mean of its divisors is an integer number (12157034820).

Almost surely, 2145844907292 is an apocalyptic number.

It is an amenable number.

145844907292 is an abundant number, since it is smaller than the sum of its proper divisors (145923928388).

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

145844907292 is a wasteful number, since it uses less digits than its factorization.

145844907292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411101 (or 1411099 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 145844907292 in words is "one hundred forty-five billion, eight hundred forty-four million, nine hundred seven thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 3701 7402 14804 25907 51814 103628 1407389 2814778 5629556 9851723 19703446 39406892 5208746689 10417493378 20834986756 36461226823 72922453646 145844907292