145132551 has 12 divisors (see below), whose sum is σ = 209820000. Its totient is φ = 96670080.

The previous prime is 145132543. The next prime is 145132573. The reversal of 145132551 is 155231541.

It is not a de Polignac number, because 145132551 - 2³ = 145132543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145132151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4786 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (17485000).

Almost surely, 2^145132551 is an apocalyptic number.

145132551 is a deficient number, since it is larger than the sum of its proper divisors (64687449).

145132551 is a wasteful number, since it uses less digits than its factorization.

145132551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166 (or 14163 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 145132551 is about 12047.0972022309. The cubic root of 145132551 is about 525.5188231665.

The spelling of 145132551 in words is "one hundred forty-five million, one hundred thirty-two thousand, five hundred fifty-one".