145457270 has 64 divisors (see below), whose sum is σ = 327131136. Its totient is φ = 45411840.

The previous prime is 145457269. The next prime is 145457297. The reversal of 145457270 is 72754541.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 145457270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34919 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (5111424).

Almost surely, 2^145457270 is an apocalyptic number.

145457270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145457270 is an abundant number, since it is smaller than the sum of its proper divisors (181673866).

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

145457270 is a wasteful number, since it uses less digits than its factorization.

145457270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 145457270 is about 12060.5667362691. The cubic root of 145457270 is about 525.9104624783.

The spelling of 145457270 in words is "one hundred forty-five million, four hundred fifty-seven thousand, two hundred seventy".