145401635 has 4 divisors (see below), whose sum is σ = 174481968. Its totient is φ = 116321304.

The previous prime is 145401617. The next prime is 145401637. The reversal of 145401635 is 536104541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145401635 - 2²⁰ = 144353059 is a prime.

It is a super-2 number, since 2×145401635² = 42283270921346450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145401598 and 145401607.

It is not an unprimeable number, because it can be changed into a prime (145401637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14540159 + ... + 14540168.

It is an arithmetic number, because the mean of its divisors is an integer number (43620492).

Almost surely, 2^145401635 is an apocalyptic number.

145401635 is a deficient number, since it is larger than the sum of its proper divisors (29080333).

145401635 is an equidigital number, since it uses as much as digits as its factorization.

145401635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29080332.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145401635 is about 12058.2600320278. The cubic root of 145401635 is about 525.8434032433.

The spelling of 145401635 in words is "one hundred forty-five million, four hundred one thousand, six hundred thirty-five".