145053755 has 32 divisors (see below), whose sum is σ = 226464768. Its totient is φ = 86486400.

The previous prime is 145053721. The next prime is 145053757. The reversal of 145053755 is 557350541.

It is not a de Polignac number, because 145053755 - 2⁶ = 145053691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145053757) 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 31 ways as a sum of consecutive naturals, for example, 665 + ... + 17045.

It is an arithmetic number, because the mean of its divisors is an integer number (7077024).

Almost surely, 2^145053755 is an apocalyptic number.

145053755 is a deficient number, since it is larger than the sum of its proper divisors (81411013).

145053755 is a wasteful number, since it uses less digits than its factorization.

145053755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 145053755 is about 12043.8264268462. The cubic root of 145053755 is about 525.4237002895.

The spelling of 145053755 in words is "one hundred forty-five million, fifty-three thousand, seven hundred fifty-five".