101397154 has 4 divisors (see below), whose sum is σ = 152095734. Its totient is φ = 50698576.

The previous prime is 101397113. The next prime is 101397157. The reversal of 101397154 is 451793101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451793101 = 31 ⋅14573971.

It can be written as a sum of positive squares in only one way, i.e., 86397025 + 15000129 = 9295^2 + 3873^2 .

It is not an unprimeable number, because it can be changed into a prime (101397157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25349287 + ... + 25349290.

Almost surely, 2^101397154 is an apocalyptic number.

101397154 is a deficient number, since it is larger than the sum of its proper divisors (50698580).

101397154 is an equidigital number, since it uses as much as digits as its factorization.

101397154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50698579.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 101397154 is about 10069.6153849092. The cubic root of 101397154 is about 466.3105649581.

The spelling of 101397154 in words is "one hundred one million, three hundred ninety-seven thousand, one hundred fifty-four".