145857430 has 16 divisors (see below), whose sum is σ = 266242464. Its totient is φ = 57520960.

The previous prime is 145857427. The next prime is 145857457. The reversal of 145857430 is 34758541.

145857430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145857430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102007 + ... + 103426.

It is an arithmetic number, because the mean of its divisors is an integer number (16640154).

Almost surely, 2^145857430 is an apocalyptic number.

145857430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145857430 is a deficient number, since it is larger than the sum of its proper divisors (120385034).

145857430 is a wasteful number, since it uses less digits than its factorization.

145857430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205511.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 145857430 is about 12077.1449440669. The cubic root of 145857430 is about 526.3922892960.

The spelling of 145857430 in words is "one hundred forty-five million, eight hundred fifty-seven thousand, four hundred thirty".