146031061 has 4 divisors (see below), whose sum is σ = 159306624. Its totient is φ = 132755500.

The previous prime is 146031029. The next prime is 146031073. The reversal of 146031061 is 160130641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146031061 - 2⁵ = 146031029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146031001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6637765 + ... + 6637786.

It is an arithmetic number, because the mean of its divisors is an integer number (39826656).

Almost surely, 2^146031061 is an apocalyptic number.

146031061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146031061 is a deficient number, since it is larger than the sum of its proper divisors (13275563).

146031061 is a wasteful number, since it uses less digits than its factorization.

146031061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275562.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 146031061 is about 12084.3312185656. The cubic root of 146031061 is about 526.6010817137.

The spelling of 146031061 in words is "one hundred forty-six million, thirty-one thousand, sixty-one".