145033707440 has 40 divisors (see below), whose sum is σ = 337704540288. Its totient is φ = 57927260160.

The previous prime is 145033707419. The next prime is 145033707473. The reversal of 145033707440 is 44707330541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×145033707440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145033707394 and 145033707403.

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, 1293056 + ... + 1400735.

Almost surely, 2^145033707440 is an apocalyptic number.

145033707440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145033707440 is an abundant number, since it is smaller than the sum of its proper divisors (192670832848).

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

145033707440 is a wasteful number, since it uses less digits than its factorization.

145033707440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694477 (or 2694471 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 145033707440 in words is "one hundred forty-five billion, thirty-three million, seven hundred seven thousand, four hundred forty".