145928131 has 2 divisors, whose sum is σ = 145928132. Its totient is φ = 145928130.

The previous prime is 145928053. The next prime is 145928141. The reversal of 145928131 is 131829541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145928131 - 2¹⁵ = 145895363 is a prime.

It is a super-2 number, since 2×145928131² = 42590038834306322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145928141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72964065 + 72964066.

It is an arithmetic number, because the mean of its divisors is an integer number (72964066).

Almost surely, 2^145928131 is an apocalyptic number.

145928131 is a deficient number, since it is larger than the sum of its proper divisors (1).

145928131 is an equidigital number, since it uses as much as digits as its factorization.

145928131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 145928131 is about 12080.0716471385. The cubic root of 145928131 is about 526.4773277010.

The spelling of 145928131 in words is "one hundred forty-five million, nine hundred twenty-eight thousand, one hundred thirty-one".