145104540 has 48 divisors (see below), whose sum is σ = 464335872. Its totient is φ = 33166656.

The previous prime is 145104523. The next prime is 145104559. The reversal of 145104540 is 45401541.

It is a happy number.

It is a super-2 number, since 2×145104540² = 42110655057223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145104540.

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, 172324 + ... + 173163.

It is an arithmetic number, because the mean of its divisors is an integer number (9673664).

Almost surely, 2^145104540 is an apocalyptic number.

145104540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145104540 is an abundant number, since it is smaller than the sum of its proper divisors (319231332).

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

145104540 is a wasteful number, since it uses less digits than its factorization.

145104540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345506 (or 345504 counting only the distinct ones).

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

The square root of 145104540 is about 12045.9345839167. The cubic root of 145104540 is about 525.4850121095.

The spelling of 145104540 in words is "one hundred forty-five million, one hundred four thousand, five hundred forty".