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149541845 = 541277247
BaseRepresentation
bin10001110100111…
…01001111010101
3101102101111211212
420322131033111
5301240314340
622501111205
73464041025
oct1072351725
9342344755
10149541845
117745a002
12420b8505
1324c9b4cb
1415c09a85
15d1dda65
hex8e9d3d5

149541845 has 8 divisors (see below), whose sum is σ = 179518464. Its totient is φ = 119587984.

The previous prime is 149541841. The next prime is 149541859. The reversal of 149541845 is 548145941.

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

It is a cyclic number.

It is not a de Polignac number, because 149541845 - 22 = 149541841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149541841) 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, 17012 + ... + 24258.

It is an arithmetic number, because the mean of its divisors is an integer number (22439808).

Almost surely, 2149541845 is an apocalyptic number.

It is an amenable number.

149541845 is a deficient number, since it is larger than the sum of its proper divisors (29976619).

149541845 is an equidigital number, since it uses as much as digits as its factorization.

149541845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379.

The product of its digits is 115200, while the sum is 41.

The square root of 149541845 is about 12228.7303102162. The cubic root of 149541845 is about 530.7877747414.

The spelling of 149541845 in words is "one hundred forty-nine million, five hundred forty-one thousand, eight hundred forty-five".

Divisors: 1 5 4127 7247 20635 36235 29908369 149541845