145723460 has 12 divisors (see below), whose sum is σ = 306019308. Its totient is φ = 58289376.

The previous prime is 145723433. The next prime is 145723477. The reversal of 145723460 is 64327541.

It can be written as a sum of positive squares in 2 ways, for example, as 63712324 + 82011136 = 7982^2 + 9056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643067 + ... + 3643106.

It is an arithmetic number, because the mean of its divisors is an integer number (25501609).

Almost surely, 2^145723460 is an apocalyptic number.

145723460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145723460 is an abundant number, since it is smaller than the sum of its proper divisors (160295848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145723460 is a wasteful number, since it uses less digits than its factorization.

145723460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286182 (or 7286180 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 145723460 is about 12071.5972431158. The cubic root of 145723460 is about 526.2310762148.

The spelling of 145723460 in words is "one hundred forty-five million, seven hundred twenty-three thousand, four hundred sixty".