145471488 has 48 divisors (see below), whose sum is σ = 387845640. Its totient is φ = 48488448.

The previous prime is 145471483. The next prime is 145471489. The reversal of 145471488 is 884174541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145471483) 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, 5695 + ... + 17982.

Almost surely, 2^145471488 is an apocalyptic number.

It is an amenable number.

145471488 is an abundant number, since it is smaller than the sum of its proper divisors (242374152).

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

145471488 is an equidigital number, since it uses as much as digits as its factorization.

145471488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702 (or 23682 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 145471488 is about 12061.1561634862. The cubic root of 145471488 is about 525.9275972958.

The spelling of 145471488 in words is "one hundred forty-five million, four hundred seventy-one thousand, four hundred eighty-eight".