145418061 has 8 divisors (see below), whose sum is σ = 197549280. Its totient is φ = 95116112.

The previous prime is 145418059. The next prime is 145418069. The reversal of 145418061 is 160814541.

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 145418061 - 2¹ = 145418059 is a prime.

It is a super-2 number, since 2×145418061² = 42292824929999442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145418069) 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, 457131 + ... + 457448.

It is an arithmetic number, because the mean of its divisors is an integer number (24693660).

Almost surely, 2^145418061 is an apocalyptic number.

It is an amenable number.

145418061 is a deficient number, since it is larger than the sum of its proper divisors (52131219).

145418061 is an equidigital number, since it uses as much as digits as its factorization.

145418061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914635.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 145418061 is about 12058.9411226691. The cubic root of 145418061 is about 525.8632039801.

The spelling of 145418061 in words is "one hundred forty-five million, four hundred eighteen thousand, sixty-one".