145064634 has 64 divisors (see below), whose sum is σ = 355719168. Its totient is φ = 38808000.

The previous prime is 145064627. The next prime is 145064653. The reversal of 145064634 is 436460541.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145064595 and 145064604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16059 + ... + 23409.

It is an arithmetic number, because the mean of its divisors is an integer number (5558112).

Almost surely, 2^145064634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145064634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177859584).

145064634 is an abundant number, since it is smaller than the sum of its proper divisors (210654534).

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

145064634 is a wasteful number, since it uses less digits than its factorization.

145064634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 145064634 is about 12044.2780605564. The cubic root of 145064634 is about 525.4368355155.

The spelling of 145064634 in words is "one hundred forty-five million, sixty-four thousand, six hundred thirty-four".