145401235 has 16 divisors (see below), whose sum is σ = 199749312. Its totient is φ = 99532800.

The previous prime is 145401229. The next prime is 145401241. The reversal of 145401235 is 532104541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145401229) and next prime (145401241).

It is not a de Polignac number, because 145401235 - 2¹⁷ = 145270163 is a prime.

It is a super-2 number, since 2×145401235² = 42283038279050450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19195 + ... + 25675.

It is an arithmetic number, because the mean of its divisors is an integer number (12484332).

Almost surely, 2^145401235 is an apocalyptic number.

145401235 is a deficient number, since it is larger than the sum of its proper divisors (54348077).

145401235 is an equidigital number, since it uses as much as digits as its factorization.

145401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145401235 is about 12058.2434458755. The cubic root of 145401235 is about 525.8429210444.

Adding to 145401235 its reverse (532104541), we get a palindrome (677505776).

The spelling of 145401235 in words is "one hundred forty-five million, four hundred one thousand, two hundred thirty-five".