145032144 has 20 divisors (see below), whose sum is σ = 374666496. Its totient is φ = 48344032.

The previous prime is 145032109. The next prime is 145032179. The reversal of 145032144 is 441230541.

It is an interprime number because it is at equal distance from previous prime (145032109) and next prime (145032179).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510704 + ... + 1510799.

Almost surely, 2^145032144 is an apocalyptic number.

It is an amenable number.

145032144 is an abundant number, since it is smaller than the sum of its proper divisors (229634352).

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

145032144 is a wasteful number, since it uses less digits than its factorization.

145032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021514 (or 3021508 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145032144 is about 12042.9292117823. The cubic root of 145032144 is about 525.3976053761.

Adding to 145032144 its reverse (441230541), we get a palindrome (586262685).

The spelling of 145032144 in words is "one hundred forty-five million, thirty-two thousand, one hundred forty-four".