145023033554 has 32 divisors (see below), whose sum is σ = 257159827200. Its totient is φ = 61301300256.

The previous prime is 145023033523. The next prime is 145023033557. The reversal of 145023033554 is 455330320541.

It is a happy number.

It is a super-2 number, since 2×145023033554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145023033557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397894 + ... + 1498049.

It is an arithmetic number, because the mean of its divisors is an integer number (8036244600).

Almost surely, 2^145023033554 is an apocalyptic number.

145023033554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145023033554 is a deficient number, since it is larger than the sum of its proper divisors (112136793646).

145023033554 is an equidigital number, since it uses as much as digits as its factorization.

145023033554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896039 (or 2896025 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 145023033554 in words is "one hundred forty-five billion, twenty-three million, thirty-three thousand, five hundred fifty-four".