145690346890 has 16 divisors (see below), whose sum is σ = 286082863200. Its totient is φ = 52978307920.

The previous prime is 145690346873. The next prime is 145690346903. The reversal of 145690346890 is 98643096541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 662228740 + ... + 662228959.

It is an arithmetic number, because the mean of its divisors is an integer number (17880178950).

Almost surely, 2^145690346890 is an apocalyptic number.

145690346890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145690346890 is a deficient number, since it is larger than the sum of its proper divisors (140392516310).

145690346890 is a wasteful number, since it uses less digits than its factorization.

145690346890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324457717.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 145690346890 in words is "one hundred forty-five billion, six hundred ninety million, three hundred forty-six thousand, eight hundred ninety".