145150440 has 32 divisors (see below), whose sum is σ = 435451680. Its totient is φ = 38706752.

The previous prime is 145150427. The next prime is 145150513. The reversal of 145150440 is 44051541.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145150440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604674 + ... + 604913.

It is an arithmetic number, because the mean of its divisors is an integer number (13607865).

Almost surely, 2^145150440 is an apocalyptic number.

145150440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145150440 is an abundant number, since it is smaller than the sum of its proper divisors (290301240).

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

145150440 is a wasteful number, since it uses less digits than its factorization.

145150440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209601 (or 1209597 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 145150440 is about 12047.8396403671. The cubic root of 145150440 is about 525.5404140500.

The spelling of 145150440 in words is "one hundred forty-five million, one hundred fifty thousand, four hundred forty".