145070557 has 8 divisors (see below), whose sum is σ = 152618400. Its totient is φ = 137692464.

The previous prime is 145070551. The next prime is 145070561. The reversal of 145070557 is 755070541.

It is a happy number.

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

It is not a de Polignac number, because 145070557 - 2¹¹ = 145068509 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 (145070551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40683 + ... + 44104.

It is an arithmetic number, because the mean of its divisors is an integer number (19077300).

Almost surely, 2^145070557 is an apocalyptic number.

It is an amenable number.

145070557 is a deficient number, since it is larger than the sum of its proper divisors (7547843).

145070557 is an equidigital number, since it uses as much as digits as its factorization.

145070557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84875.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 145070557 is about 12044.5239424396. The cubic root of 145070557 is about 525.4439866267.

The spelling of 145070557 in words is "one hundred forty-five million, seventy thousand, five hundred fifty-seven".