145090652 has 24 divisors (see below), whose sum is σ = 290640000. Its totient is φ = 62083440.

The previous prime is 145090651. The next prime is 145090681. The reversal of 145090652 is 256090541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145090651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15599 + ... + 23097.

It is an arithmetic number, because the mean of its divisors is an integer number (12110000).

Almost surely, 2^145090652 is an apocalyptic number.

It is an amenable number.

145090652 is an abundant number, since it is smaller than the sum of its proper divisors (145549348).

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

145090652 is a wasteful number, since it uses less digits than its factorization.

145090652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201 (or 8199 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 145090652 is about 12045.3581100771. The cubic root of 145090652 is about 525.4682467974.

The spelling of 145090652 in words is "one hundred forty-five million, ninety thousand, six hundred fifty-two".