146720654 has 4 divisors (see below), whose sum is σ = 220080984. Its totient is φ = 73360326.

The previous prime is 146720569. The next prime is 146720681. The reversal of 146720654 is 456027641.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36680162 + ... + 36680165.

It is an arithmetic number, because the mean of its divisors is an integer number (55020246).

Almost surely, 2^146720654 is an apocalyptic number.

146720654 is a deficient number, since it is larger than the sum of its proper divisors (73360330).

146720654 is an equidigital number, since it uses as much as digits as its factorization.

146720654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73360329.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 146720654 is about 12112.8301399797. The cubic root of 146720654 is about 527.4286917228.

The spelling of 146720654 in words is "one hundred forty-six million, seven hundred twenty thousand, six hundred fifty-four".