145415270 has 128 divisors (see below), whose sum is σ = 358041600. Its totient is φ = 41057280.

The previous prime is 145415261. The next prime is 145415317. The reversal of 145415270 is 72514541.

145415270 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145415270² = 42291201498345800, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 730631 + ... + 730829.

It is an arithmetic number, because the mean of its divisors is an integer number (2797200).

Almost surely, 2^145415270 is an apocalyptic number.

145415270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145415270 is an abundant number, since it is smaller than the sum of its proper divisors (212626330).

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

145415270 is a wasteful number, since it uses less digits than its factorization.

145415270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 145415270 is about 12058.8253988521. The cubic root of 145415270 is about 525.8598396718.

The spelling of 145415270 in words is "one hundred forty-five million, four hundred fifteen thousand, two hundred seventy".