145402055 has 8 divisors (see below), whose sum is σ = 177774912. Its totient is φ = 114126688.

The previous prime is 145402051. The next prime is 145402063. The reversal of 145402055 is 550204541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145402055 - 2² = 145402051 is a prime.

It is a super-2 number, since 2×145402055² = 42283515196446050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145402051) 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 7 ways as a sum of consecutive naturals, for example, 274079 + ... + 274608.

It is an arithmetic number, because the mean of its divisors is an integer number (22221864).

Almost surely, 2^145402055 is an apocalyptic number.

145402055 is a deficient number, since it is larger than the sum of its proper divisors (32372857).

145402055 is an equidigital number, since it uses as much as digits as its factorization.

145402055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548745.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145402055 is about 12058.2774474632. The cubic root of 145402055 is about 525.8439095513.

Adding to 145402055 its reverse (550204541), we get a palindrome (695606596).

The spelling of 145402055 in words is "one hundred forty-five million, four hundred two thousand, fifty-five".