145700978 has 8 divisors (see below), whose sum is σ = 218854272. Its totient is φ = 72749556.

The previous prime is 145700977. The next prime is 145700983. The reversal of 145700978 is 879007541.

145700978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (145700977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48650 + ... + 51557.

It is an arithmetic number, because the mean of its divisors is an integer number (27356784).

Almost surely, 2^145700978 is an apocalyptic number.

145700978 is a deficient number, since it is larger than the sum of its proper divisors (73153294).

145700978 is a wasteful number, since it uses less digits than its factorization.

145700978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100936.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 145700978 is about 12070.6660131080. Note that the first 3 decimals coincide. The cubic root of 145700978 is about 526.2040127721.

The spelling of 145700978 in words is "one hundred forty-five million, seven hundred thousand, nine hundred seventy-eight".