145557030 has 16 divisors (see below), whose sum is σ = 349336944. Its totient is φ = 38815200.

The previous prime is 145557007. The next prime is 145557037. The reversal of 145557030 is 30755541.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4851901 = 145557030 / (1 + 4 + 5 + 5 + 5 + 7 + 0 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145557037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2425921 + ... + 2425980.

It is an arithmetic number, because the mean of its divisors is an integer number (21833559).

Almost surely, 2^145557030 is an apocalyptic number.

145557030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145557030 is an abundant number, since it is smaller than the sum of its proper divisors (203779914).

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

145557030 is a wasteful number, since it uses less digits than its factorization.

145557030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851911.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 145557030 is about 12064.7018197716. The cubic root of 145557030 is about 526.0306646476.

It can be divided in two parts, 1455 and 57030, that added together give a palindrome (58485).

The spelling of 145557030 in words is "one hundred forty-five million, five hundred fifty-seven thousand, thirty".