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149148163 = 181887929
BaseRepresentation
bin10001110001111…
…01001000000011
3101101122111211001
420320331020003
5301140220123
622444432431
73460511203
oct1070751003
9341574731
10149148163
117721024a
1241b48717
1324b91268
1415b46403
15d1620ad
hex8e3d203

149148163 has 8 divisors (see below), whose sum is σ = 150302880. Its totient is φ = 147997440.

The previous prime is 149148137. The next prime is 149148173. The reversal of 149148163 is 361841941.

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 149148163 - 29 = 149147651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149148113) 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, 160083 + ... + 161011.

It is an arithmetic number, because the mean of its divisors is an integer number (18787860).

Almost surely, 2149148163 is an apocalyptic number.

149148163 is a deficient number, since it is larger than the sum of its proper divisors (1154717).

149148163 is an equidigital number, since it uses as much as digits as its factorization.

149148163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997.

The product of its digits is 20736, while the sum is 37.

The square root of 149148163 is about 12212.6231007102. The cubic root of 149148163 is about 530.3215836422.

The spelling of 149148163 in words is "one hundred forty-nine million, one hundred forty-eight thousand, one hundred sixty-three".

Divisors: 1 181 887 929 160547 168149 824023 149148163