145098540 has 60 divisors (see below), whose sum is σ = 455184576. Its totient is φ = 38692512.

The previous prime is 145098533. The next prime is 145098557. The reversal of 145098540 is 45890541.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 145098495 and 145098504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43164 + ... + 46403.

Almost surely, 2^145098540 is an apocalyptic number.

145098540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145098540 is an abundant number, since it is smaller than the sum of its proper divisors (310086036).

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

145098540 is a wasteful number, since it uses less digits than its factorization.

145098540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89588 (or 89577 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 145098540 is about 12045.6855346634. The cubic root of 145098540 is about 525.4777691624.

The spelling of 145098540 in words is "one hundred forty-five million, ninety-eight thousand, five hundred forty".