145414740 has 48 divisors (see below), whose sum is σ = 424867968. Its totient is φ = 37090944.

The previous prime is 145414727. The next prime is 145414781. The reversal of 145414740 is 47414541.

It is a super-2 number, since 2×145414740² = 42290893218535200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 145414698 and 145414707.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 51307 + ... + 54066.

It is an arithmetic number, because the mean of its divisors is an integer number (8851416).

Almost surely, 2^145414740 is an apocalyptic number.

145414740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145414740 is an abundant number, since it is smaller than the sum of its proper divisors (279453228).

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

145414740 is a wasteful number, since it uses less digits than its factorization.

145414740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105408 (or 105406 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 145414740 is about 12058.8034232257. The cubic root of 145414740 is about 525.8592007979.

The spelling of 145414740 in words is "one hundred forty-five million, four hundred fourteen thousand, seven hundred forty".