145123052 has 12 divisors (see below), whose sum is σ = 254512440. Its totient is φ = 72405216.

The previous prime is 145123049. The next prime is 145123073. The reversal of 145123052 is 250321541.

145123052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36977 + ... + 40712.

It is an arithmetic number, because the mean of its divisors is an integer number (21209370).

Almost surely, 2^145123052 is an apocalyptic number.

It is an amenable number.

145123052 is a deficient number, since it is larger than the sum of its proper divisors (109389388).

145123052 is a wasteful number, since it uses less digits than its factorization.

145123052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78160 (or 78158 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145123052 is about 12046.7029514303. The cubic root of 145123052 is about 525.5073577574.

Adding to 145123052 its reverse (250321541), we get a palindrome (395444593).

The spelling of 145123052 in words is "one hundred forty-five million, one hundred twenty-three thousand, fifty-two".