Search a number
-
+
151131045 = 351323311087
BaseRepresentation
bin10010000001000…
…01001110100101
3101112101020211010
421000201032211
5302142143140
622555132433
73513410202
oct1100411645
9345336733
10151131045
1178344a9a
1242744119
1325406970
1416100ca9
15d404880
hex90213a5

151131045 has 64 divisors (see below), whose sum is σ = 280756224. Its totient is φ = 68808960.

The previous prime is 151131031. The next prime is 151131067. The reversal of 151131045 is 540131151.

It is a happy number.

It is not a de Polignac number, because 151131045 - 26 = 151130981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138492 + ... + 139578.

It is an arithmetic number, because the mean of its divisors is an integer number (4386816).

Almost surely, 2151131045 is an apocalyptic number.

151131045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151131045 is a deficient number, since it is larger than the sum of its proper divisors (129625179).

151131045 is a wasteful number, since it uses less digits than its factorization.

151131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 151131045 is about 12293.5367165027. The cubic root of 151131045 is about 532.6614027253.

Adding to 151131045 its reverse (540131151), we get a palindrome (691262196).

The spelling of 151131045 in words is "one hundred fifty-one million, one hundred thirty-one thousand, forty-five".

Divisors: 1 3 5 13 15 23 31 39 65 69 93 115 155 195 299 345 403 465 713 897 1087 1209 1495 2015 2139 3261 3565 4485 5435 6045 9269 10695 14131 16305 25001 27807 33697 42393 46345 70655 75003 101091 125005 139035 168485 211965 325013 375015 438061 505455 775031 975039 1314183 1625065 2190305 2325093 3875155 4875195 6570915 10075403 11625465 30226209 50377015 151131045