145521260 has 12 divisors (see below), whose sum is σ = 305594688. Its totient is φ = 58208496.

The previous prime is 145521227. The next prime is 145521269. The reversal of 145521260 is 62125541.

145521260 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 2×145521260² = 42352874223975200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145521269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638012 + ... + 3638051.

It is an arithmetic number, because the mean of its divisors is an integer number (25466224).

Almost surely, 2^145521260 is an apocalyptic number.

145521260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145521260 is an abundant number, since it is smaller than the sum of its proper divisors (160073428).

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

145521260 is a wasteful number, since it uses less digits than its factorization.

145521260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276072 (or 7276070 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 145521260 is about 12063.2193049783. The cubic root of 145521260 is about 525.9875712099.

The spelling of 145521260 in words is "one hundred forty-five million, five hundred twenty-one thousand, two hundred sixty".