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145095023880 = 2332553113173389
BaseRepresentation
bin1000011100100001010…
…1100101110100001000
3111212111220212220120100
42013020111211310020
54334123311231010
6150353345525400
713324406232222
oct2071025456410
9455456786510
10145095023880
11565973a3a84
1224154043860
13108b4311421
147046187412
153b931982c0
hex21c8565d08

145095023880 has 384 divisors, whose sum is σ = 488763007200. Its totient is φ = 37312364544.

The previous prime is 145095023873. The next prime is 145095023893. The reversal of 145095023880 is 88320590541.

145095023880 is a `hidden beast` number, since 1 + 450 + 95 + 0 + 2 + 38 + 80 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 6367082436 + 138727941444 = 79794^2 + 372462^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372994726 + ... + 372995114.

Almost surely, 2145095023880 is an apocalyptic number.

145095023880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145095023880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244381503600).

145095023880 is an abundant number, since it is smaller than the sum of its proper divisors (343667983320).

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

145095023880 is a wasteful number, since it uses less digits than its factorization.

145095023880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 145095023880 in words is "one hundred forty-five billion, ninety-five million, twenty-three thousand, eight hundred eighty".