145553007 has 4 divisors (see below), whose sum is σ = 194070680. Its totient is φ = 97035336.

The previous prime is 145552991. The next prime is 145553069. The reversal of 145553007 is 700355541.

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

It is not a de Polignac number, because 145553007 - 2⁴ = 145552991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145553077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24258832 + ... + 24258837.

It is an arithmetic number, because the mean of its divisors is an integer number (48517670).

Almost surely, 2^145553007 is an apocalyptic number.

145553007 is a deficient number, since it is larger than the sum of its proper divisors (48517673).

145553007 is an equidigital number, since it uses as much as digits as its factorization.

145553007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48517672.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 145553007 is about 12064.5350925761. The cubic root of 145553007 is about 526.0258183436.

The spelling of 145553007 in words is "one hundred forty-five million, five hundred fifty-three thousand, seven".