146162731 has 16 divisors (see below), whose sum is σ = 172055520. Its totient is φ = 122411520.

The previous prime is 146162713. The next prime is 146162741. The reversal of 146162731 is 137261641.

It is not a de Polignac number, because 146162731 - 2⁷ = 146162603 is a prime.

It is a super-2 number, since 2×146162731² = 42727087866756722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146162693 and 146162702.

It is not an unprimeable number, because it can be changed into a prime (146162701) 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, 143781 + ... + 144793.

It is an arithmetic number, because the mean of its divisors is an integer number (10753470).

Almost surely, 2^146162731 is an apocalyptic number.

146162731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146162731 is a deficient number, since it is larger than the sum of its proper divisors (25892789).

146162731 is a wasteful number, since it uses less digits than its factorization.

146162731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its digits is 6048, while the sum is 31.

The square root of 146162731 is about 12089.7779549502. Note that the first 3 decimals coincide. The cubic root of 146162731 is about 526.7593054386.

The spelling of 146162731 in words is "one hundred forty-six million, one hundred sixty-two thousand, seven hundred thirty-one".