145882551 has 16 divisors (see below), whose sum is σ = 209744640. Its totient is φ = 89887680.

The previous prime is 145882549. The next prime is 145882579. The reversal of 145882551 is 155288541.

It is not a de Polignac number, because 145882551 - 2¹ = 145882549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145882591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28875 + ... + 33548.

It is an arithmetic number, because the mean of its divisors is an integer number (13109040).

Almost surely, 2^145882551 is an apocalyptic number.

145882551 is a deficient number, since it is larger than the sum of its proper divisors (63862089).

145882551 is a wasteful number, since it uses less digits than its factorization.

145882551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62486.

The product of its digits is 64000, while the sum is 39.

The square root of 145882551 is about 12078.1849215849. The cubic root of 145882551 is about 526.4225077123.

The spelling of 145882551 in words is "one hundred forty-five million, eight hundred eighty-two thousand, five hundred fifty-one".