145029122 has 72 divisors (see below), whose sum is σ = 277167744. Its totient is φ = 56615328.

The previous prime is 145029121. The next prime is 145029163. The reversal of 145029122 is 221920541.

It is a junction number, because it is equal to n+sod(n) for n = 145029091 and 145029100.

It is not an unprimeable number, because it can be changed into a prime (145029121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3085703 + ... + 3085749.

It is an arithmetic number, because the mean of its divisors is an integer number (3849552).

Almost surely, 2^145029122 is an apocalyptic number.

145029122 is a deficient number, since it is larger than the sum of its proper divisors (132138622).

145029122 is a wasteful number, since it uses less digits than its factorization.

145029122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 145029122 is about 12042.8037433149. The cubic root of 145029122 is about 525.3939561561.

Adding to 145029122 its reverse (221920541), we get a palindrome (366949663).

The spelling of 145029122 in words is "one hundred forty-five million, twenty-nine thousand, one hundred twenty-two".