145242944 has 56 divisors (see below), whose sum is σ = 359347008. Its totient is φ = 56586240.

The previous prime is 145242931. The next prime is 145242959. The reversal of 145242944 is 449242541.

It is a tau number, because it is divible by the number of its divisors (56).

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, 9809 + ... + 19664.

Almost surely, 2^145242944 is an apocalyptic number.

145242944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145242944 is an abundant number, since it is smaller than the sum of its proper divisors (214104064).

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

145242944 is a wasteful number, since it uses less digits than its factorization.

145242944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503 (or 29493 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 145242944 is about 12051.6780574325. The cubic root of 145242944 is about 525.6520321909.

The spelling of 145242944 in words is "one hundred forty-five million, two hundred forty-two thousand, nine hundred forty-four".