145201441690 has 16 divisors (see below), whose sum is σ = 261375978240. Its totient is φ = 58077602640.

The previous prime is 145201441669. The next prime is 145201441691. The reversal of 145201441690 is 96144102541.

It is a super-2 number, since 2×145201441690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145201441691) 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, 161010 + ... + 562429.

It is an arithmetic number, because the mean of its divisors is an integer number (16335998640).

Almost surely, 2^145201441690 is an apocalyptic number.

145201441690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145201441690 is a deficient number, since it is larger than the sum of its proper divisors (116174536550).

145201441690 is a wasteful number, since it uses less digits than its factorization.

145201441690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743517.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 145201441690 in words is "one hundred forty-five billion, two hundred one million, four hundred forty-one thousand, six hundred ninety".