146141731 has 4 divisors (see below), whose sum is σ = 146439864. Its totient is φ = 145843600.

The previous prime is 146141729. The next prime is 146141767. The reversal of 146141731 is 137141641.

It is a happy number.

146141731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146141731 - 2¹ = 146141729 is a prime.

It is a super-2 number, since 2×146141731² = 42714811079352722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146141731.

It is not an unprimeable number, because it can be changed into a prime (146141771) 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, 148330 + ... + 149311.

It is an arithmetic number, because the mean of its divisors is an integer number (36609966).

Almost surely, 2^146141731 is an apocalyptic number.

146141731 is a deficient number, since it is larger than the sum of its proper divisors (298133).

146141731 is an equidigital number, since it uses as much as digits as its factorization.

146141731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298132.

The product of its digits is 2016, while the sum is 28.

The square root of 146141731 is about 12088.9094214491. The cubic root of 146141731 is about 526.7340767656.

The spelling of 146141731 in words is "one hundred forty-six million, one hundred forty-one thousand, seven hundred thirty-one".