151331145 has 64 divisors (see below), whose sum is σ = 291078144. Its totient is φ = 65640960.

The previous prime is 151331129. The next prime is 151331149. The reversal of 151331145 is 541133151.

It is not a de Polignac number, because 151331145 - 2⁴ = 151331129 is a prime.

It is a super-2 number, since 2×151331145² = 45802230894022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151331149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 538405 + ... + 538685.

It is an arithmetic number, because the mean of its divisors is an integer number (4548096).

Almost surely, 2^151331145 is an apocalyptic number.

151331145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151331145 is a deficient number, since it is larger than the sum of its proper divisors (139746999).

151331145 is a wasteful number, since it uses less digits than its factorization.

151331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 900, while the sum is 24.

The square root of 151331145 is about 12301.6724472732. The cubic root of 151331145 is about 532.8963832151.

Adding to 151331145 its reverse (541133151), we get a palindrome (692464296).

The spelling of 151331145 in words is "one hundred fifty-one million, three hundred thirty-one thousand, one hundred forty-five".