154401355464261 has 8 divisors (see below), whose sum is σ = 207489485558784. Its totient is φ = 102123731172960.

The previous prime is 154401355464259. The next prime is 154401355464277. The reversal of 154401355464261 is 162464553104451.

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

It is not a de Polignac number, because 154401355464261 - 2¹ = 154401355464259 is a prime.

It is a super-2 number, since 2×154401355464261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154401355464211) 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, 202626450360 + ... + 202626451121.

It is an arithmetic number, because the mean of its divisors is an integer number (25936185694848).

Almost surely, 2^{154401355464261} is an apocalyptic number.

It is an amenable number.

154401355464261 is a deficient number, since it is larger than the sum of its proper divisors (53088130094523).

154401355464261 is a wasteful number, since it uses less digits than its factorization.

154401355464261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405252901611.

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 154401355464261 in words is "one hundred fifty-four trillion, four hundred one billion, three hundred fifty-five million, four hundred sixty-four thousand, two hundred sixty-one".