145025634 has 32 divisors (see below), whose sum is σ = 312850944. Its totient is φ = 44553600.

The previous prime is 145025633. The next prime is 145025677. The reversal of 145025634 is 436520541.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145025633) 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, 73359 + ... + 75309.

It is an arithmetic number, because the mean of its divisors is an integer number (9776592).

Almost surely, 2^145025634 is an apocalyptic number.

145025634 is an abundant number, since it is smaller than the sum of its proper divisors (167825310).

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

145025634 is a wasteful number, since it uses less digits than its factorization.

145025634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145025634 is about 12042.6589256692. The cubic root of 145025634 is about 525.3897441542.

The spelling of 145025634 in words is "one hundred forty-five million, twenty-five thousand, six hundred thirty-four".