145030554 has 32 divisors (see below), whose sum is σ = 324287040. Its totient is φ = 48044016.

The previous prime is 145030549. The next prime is 145030559. The reversal of 145030554 is 455030541.

It is an interprime number because it is at equal distance from previous prime (145030549) and next prime (145030559).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145030559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (10133970).

Almost surely, 2^145030554 is an apocalyptic number.

145030554 is an abundant number, since it is smaller than the sum of its proper divisors (179256486).

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

145030554 is a wasteful number, since it uses less digits than its factorization.

145030554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16651 (or 16645 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145030554 is about 12042.8631977616. The cubic root of 145030554 is about 525.3956853758.

The spelling of 145030554 in words is "one hundred forty-five million, thirty thousand, five hundred fifty-four".