145572650 has 12 divisors (see below), whose sum is σ = 270765222. Its totient is φ = 58229040.

The previous prime is 145572643. The next prime is 145572659. The reversal of 145572650 is 56275541.

145572650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 104060401 + 41512249 = 10201^2 + 6443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145572650.

It is not an unprimeable number, because it can be changed into a prime (145572659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1455677 + ... + 1455776.

Almost surely, 2^145572650 is an apocalyptic number.

145572650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145572650 is a deficient number, since it is larger than the sum of its proper divisors (125192572).

145572650 is a wasteful number, since it uses less digits than its factorization.

145572650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911465 (or 2911460 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 145572650 is about 12065.3491453832. The cubic root of 145572650 is about 526.0494804229.

The spelling of 145572650 in words is "one hundred forty-five million, five hundred seventy-two thousand, six hundred fifty".