145246460 has 24 divisors (see below), whose sum is σ = 313262880. Its totient is φ = 56528064.

The previous prime is 145246459. The next prime is 145246481. The reversal of 145246460 is 64642541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97400 + ... + 98879.

It is an arithmetic number, because the mean of its divisors is an integer number (13052620).

Almost surely, 2^145246460 is an apocalyptic number.

145246460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145246460 is an abundant number, since it is smaller than the sum of its proper divisors (168016420).

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

145246460 is a wasteful number, since it uses less digits than its factorization.

145246460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196325 (or 196323 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 145246460 is about 12051.8239283521. The cubic root of 145246460 is about 525.6562737685.

It can be divided in two parts, 1452 and 46460, that multiplied together give a triangular number (67459920 = T₁₁₆₁₅).

The spelling of 145246460 in words is "one hundred forty-five million, two hundred forty-six thousand, four hundred sixty".