145018902 has 16 divisors (see below), whose sum is σ = 331471872. Its totient is φ = 41433960.

The previous prime is 145018901. The next prime is 145018943. The reversal of 145018902 is 209810541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145018902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145018901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726374 + ... + 1726457.

It is an arithmetic number, because the mean of its divisors is an integer number (20716992).

Almost surely, 2^145018902 is an apocalyptic number.

145018902 is an abundant number, since it is smaller than the sum of its proper divisors (186452970).

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

145018902 is a wasteful number, since it uses less digits than its factorization.

145018902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452843.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 145018902 is about 12042.3794160457. The cubic root of 145018902 is about 525.3816146064.

The spelling of 145018902 in words is "one hundred forty-five million, eighteen thousand, nine hundred two".