146242551 has 32 divisors (see below), whose sum is σ = 254112768. Its totient is φ = 72599040.

The previous prime is 146242543. The next prime is 146242567. The reversal of 146242551 is 155242641.

It is not a de Polignac number, because 146242551 - 2³ = 146242543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146242511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11115 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (7941024).

Almost surely, 2^146242551 is an apocalyptic number.

146242551 is a deficient number, since it is larger than the sum of its proper divisors (107870217).

146242551 is a wasteful number, since it uses less digits than its factorization.

146242551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31551.

The product of its digits is 9600, while the sum is 30.

The square root of 146242551 is about 12093.0786402801. The cubic root of 146242551 is about 526.8551763810.

The spelling of 146242551 in words is "one hundred forty-six million, two hundred forty-two thousand, five hundred fifty-one".