154002029 has 4 divisors (see below), whose sum is σ = 158164284. Its totient is φ = 149839776.

The previous prime is 154002019. The next prime is 154002059. The reversal of 154002029 is 920200451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920200451 = 47 ⋅19578733.

It can be written as a sum of positive squares in 2 ways, for example, as 106708900 + 47293129 = 10330^2 + 6877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154002029 is a prime.

It is a super-2 number, since 2×154002029² = 47433249872233682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154001995 and 154002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154002019) 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, 2081072 + ... + 2081145.

It is an arithmetic number, because the mean of its divisors is an integer number (39541071).

Almost surely, 2^154002029 is an apocalyptic number.

It is an amenable number.

154002029 is a deficient number, since it is larger than the sum of its proper divisors (4162255).

154002029 is an equidigital number, since it uses as much as digits as its factorization.

154002029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162254.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 154002029 is about 12409.7553964613. The cubic root of 154002029 is about 536.0131951252.

The spelling of 154002029 in words is "one hundred fifty-four million, two thousand, twenty-nine".